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Java logical operator short-circuiting
...lse when A is false, no matter what B is. If you use the || and && forms, rather than the | and & forms of these operators, Java will not bother to evaluate the right-hand operand alone. This is very useful when the right-hand operand depends on the left one being true or false in order ...
Invoke(Delegate)
...swer to this question lies in how C# Controls work
Controls in Windows Forms are bound to a specific thread and are not
thread safe. Therefore, if you are calling a control's method from a
different thread, you must use one of the control's invoke methods to
marshal the call to the proper ...
Is there a difference between “raise exception()” and “raise exception” without parenthesis?
...h raise MyException and raise MyException() do the same thing. This first form auto instantiates your exception.
The relevant section from the docs says, "raise evaluates the first expression as the exception object. It must be either a subclass or an instance of BaseException. If it is a class, t...
Difference between a SOAP message and a WSDL?
...lt;/xsd:schema>
</wsdl:types>
But the WSDL also contains more information, about which functions link together to make operations, and what operations are avaliable in the service, and whereabouts on a network you can access the service/operations.
See also W3 Annotated WSDL Examples
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What's valid and what's not in a URI query?
...dded], then the conflicting data must be percent-encoded before the URI is formed.
reserved = gen-delims / sub-delims
gen-delims = ":" / "/" / "?" / "#" / "[" / "]" / "@"
sub-delims = "!" / "$" / "&" / "'" / "(" / ")"
/ "*" / "+" / "," / ";" / "="
3.3. Path Compone...
Xamarin 2.0 vs Appcelerator Titanium vs PhoneGap [duplicate]
After all IDE evolutions (all platforms on topic are changed) of this year, i'm looking to understand what is the state of technology for those platforms.
...
Nullable Foreign Key bad practice?
...option. At least it does not violate normalization BCNF (Boyce-Codd normal form). however I would favor being pragmatic. If you have very few of these null values and they are only temporary I think you should skip the link table since it only adds complexity to the scheme.
On a side note; using a ...
Find out whether radio button is checked with JQuery?
...
Note: If you have several forms with groups of radio buttons using the same name, you need to make sure to check only those of the form that is submitted. One option to do this is using the find method on the form: $('#myform').submit(function(event)...
How do I suspend painting for a control and its children?
...arly useful. This is exactly what the Control base class for all of the WinForms controls already does for the BeginUpdate and EndUpdate methods. Sending the message yourself is no better than using those methods to do the heavy lifting for you, and certainly can't produce different results.
...
What is the HTML tabindex attribute?
...re are very few elements that are focusable by default (e.g. <a> and form controls). Developers very often add some JavaScript event handlers (like 'onclick') on not focusable elements (<div>, <span> and so on), and the way to make your interface be responsive not only to mouse eve...